Home > Term: B-class boundary
B-class boundary
A boundary designed to resist the passage of flame for 1/2 hour when tested in accordance with ASTM E 119, StandardTestMethodsforFireTestsofBuildingConstructionandMaterials.
- Part of Speech: noun
- Industry/Domain: Fire safety
- Category: Prevention & protection
- Company: NFPA
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Creator
- nomura
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